CN101227994A - Reamer comprising a cutting plate - Google Patents

Reamer comprising a cutting plate Download PDF

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Publication number
CN101227994A
CN101227994A CNA2006800227837A CN200680022783A CN101227994A CN 101227994 A CN101227994 A CN 101227994A CN A2006800227837 A CNA2006800227837 A CN A2006800227837A CN 200680022783 A CN200680022783 A CN 200680022783A CN 101227994 A CN101227994 A CN 101227994A
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CN
China
Prior art keywords
cutting
smear metal
reamer
cutting edge
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2006800227837A
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Chinese (zh)
Other versions
CN101227994B (en
Inventor
沃尔特·巴恩特哈勒
阿敏·史莱默
克劳斯·鲁埃茨乌迪尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CO KG COLOP STEMPELERZEUGUNG S
Original Assignee
CO KG COLOP STEMPELERZEUGUNG S
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Filing date
Publication date
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Publication of CN101227994A publication Critical patent/CN101227994A/en
Application granted granted Critical
Publication of CN101227994B publication Critical patent/CN101227994B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D77/00Reaming tools
    • B23D77/02Reamers with inserted cutting edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D77/00Reaming tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D2277/00Reaming tools
    • B23D2277/26Means for breaking chips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D2277/00Reaming tools
    • B23D2277/30Chip guiding means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/22Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2268Cutters, for shaping including holder having seat for inserted tool with chip breaker, guide or deflector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/24Cutters, for shaping with chip breaker, guide or deflector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/24Cutters, for shaping with chip breaker, guide or deflector
    • Y10T407/245Cutters, for shaping with chip breaker, guide or deflector comprising concave surface in cutting face of tool

Abstract

The invention relates to a reamer which comprises a shaft comprising a traction part and in the axial direction thereof, a working area which is provided with at least one interchangeable tool part and at least one pressure body which is fixed thereto. The tool part is embodied as a hard metal cutting plate (1), in particular, as an indexable insert. According to the invention, the cutting surface (4) of the cutting plate (1)is arranged at a distance (S) of at least 0,02mm from the cutting edge (5, 5') on one side in the region of the cut part (6) and at least partially has a peak-to-valley height which increases by at least 0,01mm in order to assure the production of cut fragments in the main cutting area and to prevent a build up of cuts in the region of auxiliary cutting section and/or to simplify the removal of cuts. Also, higher targets can be reached by virtue of the fact that the cutting plates (1) comprise at least one cutting cavity (8) in the cutting surface thereof (4) at a distance of at least 0.02 mm from the main cutting edge (5) on the end side in the region of the entry angle (6).

Description

The reamer that comprises cutting plate
Technical field
The present invention relates to a kind of reamer, it comprises the bar with traction element and be opposed workspace on it is axial, this workspace has at least one interchangeable tool component and at least one pressure piece, wherein this tool component is that length reaches 25mm, width reaches the hard metal cutting plate that 8mm and height or thickness reach about 4mm, be specifically designed to indexable slotting tool, this cutting plate has flat bearing-surface on the longitudinal cross-section, form the flank of tool of at least one major cutting edge and an auxilliary blade respectively, smear metal loading end and be the pressure face that is suitable for pressing from both sides boots of spill basically, see it is that parallel with the bar axle basically insertable in its end that can be used for cutting can be regulated auxilliary blade from above, it has the portion of cutting of rising that is an angle on the direction of feed of the reamer with at least one major cutting edge with the bar axle.
Background technology
Become known for the multiple indexable slotting tool of turning, ream, planing, milling, boring etc. in Machining Technology, the indexable slotting tool of these in the instrument is designed to be suitable for forming smear metal and its situation identical with the distance of cutting region is issued to high as far as possible cutting power.As mentioned above, the desired value of these indexable slotting tools is cutting power clearly, and what make accumulation by the distortion of the chip breaking instrument of cutting plate where necessary thus mainly is that the fracture of rough lumber bits and/or preparation are so that discharging targetedly fast.
When ream, the prebored hole of owing size is expanded to the high precision size a little, to realize or to guarantee the accurate cooperation of member.
Reamer is the instrument that is used for the fine finishining boring surface, and this hole can be designed to bag shape or be through hole, and this reamer mainly is made of traction element and the tools section with at least one cutting tip.This cutting tip has at least one major cutting edge and at least one auxilliary blade, and this major cutting edge can be formed by a plurality of parts.
In Surface Finishing, particularly Zuan Kong fraising adds man-hour, with from the enterprising hand-manipulating of needle of workpiece the removal smear metal of performance is compared, exist in a large number with insertable cutting plate and smear metal and form relevant remarkable different situation, however the type of the fines of being removed and shape and the mobile service life that has significantly also influenced attainable boring surface quality and ream instrument.
According to prior art, reamer has the major cutting edge and the auxilliary blade of different orientation.
For example known by EP 1160042, with chip-breaker the smear metal loading end towards blade is continued to be limited in the zone of major cutting edge and auxilliary blade, this chip-breaker is in the major cutting edge district and is inclined upwardly and has ever-reduced spacing with major cutting edge thus.Its viewpoint is, this major cutting edge is used for roughing, and this auxilliary blade is used for fine finishining, and runs into the linear chip-breaker that is favourable and ruptured from the smear metal that blade is discharged, and inbound pacing pulse on the direction of being determined by the gradient of chip-breaker.
A kind of cutting blade of reamer of fine finishining metal works is disclosed among EP 0631834 B1, the smear metal loading end that it has major cutting edge and auxilliary blade and stretches out towards these blades, and have the restriction latter's chip-breaker.In order to realize short smear metal when the fine finishining, suppose that this chip-breaker has high point at the place, summit of blade, this chip-breaker is downward-sloping from this height point in the major cutting edge district, and parallel with the latter or also can be downward-sloping in auxilliary blade district.
But, all cutting plates that are used for reamer of prior art all have common shortcoming, promptly the smooth smear metal loading end of this major cutting edge and auxilliary blade is all towards blade, it collects the particularly smear metal in auxilliary blade district, therefore during the fine finishining of workpiece, because the obstruction of smear metal, the smear metal discharge that increases can cause the high friction coefficient factor and heating, and reduces surface quality.
Summary of the invention
The objective of the invention is to overcome this shortcoming, and provide a kind of as the described reamer of preface part, wherein the hard metal cutting plate has guaranteed in the major cutting edge district that smear metal seldom piles up, and prevented the obstruction of smear metal in auxilliary blade district, in this zone, mainly carry out the polishing of boring surface, and have extremely low fines removal.
This purpose be by from blade at least the smear metal loading end of this cutting plate of 0.02mm spacing setting have the roughness depth that increases minimum 0.01mm at least partly in its end in the portion district and realize rising to cut.
Advantage of the present invention only mainly be with blade in the indexable slotting tool that a spacing is provided with, this smear metal loading end has the roughness depth of increase, the smear metal that is discharged from thus and so causes chip fracture because the friction that increases gets clogged.Because the roughness of smear metal loading end does not increase in auxilliary blade district, so the smear metal of this fracture is easy to discharge boring.
According to the present invention, above-mentioned purpose also can have at least one smear metal chamber in its end in the portion district and realizes rising to cut in the smear metal loading end of 0.02mm spacing setting at least from major cutting edge at it by this cutting plate.
Surprisingly, if when during fraising or fine finishining boring, forming a large amount of smear metal according to the present invention, only cut in the portion rising, be in the major cutting edge district, to be with blade and at a distance of a spacing smear metal chamber, ground is set and introduce in the smear metal loading end, and then when carrying out fine finishining, can realize successfully discharging short and small fracture smear metal with cutting plate.On the one hand, the effect that increases the service life of blade has been played in smear metal loading end district in front, smear metal chamber by the cutting angle that increases, on the other hand, the smear metal of this accumulation obviously is squeezed when discharging from workpiece, is just apart stretched immediately after the lip-deep smear metal chamber of a spacing with workpiece and fragments into piece entering.In the unstructuredness smear metal loading end district of auxilliary blade, can discharge smoothly with the rough lumber bits of the fracture of piling up at major cutting edge from the ultra-fine smear metal that workpiece is discharged.Thus, utilize reamer of the present invention also can hinder in the smear metal in auxilliary blade district when producing smear metal in a large number and pile up, this causes the tool life of improved boring surface and increase.
By the preferred embodiments of the invention, wherein can make ream boring reach excellent especially and uniform surface quality through fine finishining, this cutting plate has the rising of at least one blade that the longitudinal axis with the longest bar for 4mm of length is 10 ° of-80 ° of angles and cuts portion, and this major cutting edge is staged or polygonal or circle to the transition in the auxilliary blade district of axially parallel.
In expansion scheme of the present invention, if the portion of cutting of rising of this cutting plate has at least two and is the major cutting edge of different angles with the bar axle, and this respectively has different width perpendicular to the smear metal chamber in the smear metal loading end of the cutting plate of major cutting edge, may be particularly advantageous then to long smear metal workpiece, at this moment the preferred reduced width in this smear metal chamber in the transition region of the blade that works the portion of cutting particularly is reduced to the value less than 0.15mm.
Have the embodiment of cutting plate that is the major cutting edge of different angles with two parts and bar axle and in the smear metal of discharging, caused the stress of stack in the axial direction, and help the accumulation of little smear metal.The favourable chip breaking effect of utilizing the different in width in smear metal chamber to bring is unclear fully as yet on science, but it may be the result who causes other stress the smear metal of discharging from major cutting edge.
On the other hand, as estimating in the present invention, if this cutting plate has the smear metal chamber, this smear metal chamber and major cutting edge interval be the spacing of 0.02mm at least, and perpendicular to this wedge-type shape that in the smear metal loading end, caves in, on the other hand, this surface, chamber that may have big roughness depth is rounded, the circle that preferably has the radius of about 0.05mm turns back to the smear metal loading end, then can guarantee to realize short especially length of chip in the portion district rising to cut.Therefore this smear metal can be discharged to from workpiece on the smear metal loading end of cutting plate, and externally is extruded.To the transition of smear metal chamber the time, particularly pass through its wedge shape generation smear metal in the bending on the opposite direction in chamber, at this moment the tension of Chan Shenging can cause chip fracture.At last, the roughness depth of this surface, smear metal chamber increase or its rounded smear metal loading end that turns back to have guaranteed that generation makes chip fracture become fritter.
Less than the depth capacity of 0.16mm, and the surface, chamber is where necessary by structuring if this smear metal chamber has greater than 0.03mm, then in the chip fracture function with avoid the cutting plate fracture and improve to show it is favourable aspect the applicability of reamer.
Only the present invention is described in detail in detail below with the accompanying drawing shown in the implementation method.
Description of drawings
Fig. 1 illustrates the plane of indexable slotting tool;
Fig. 2 illustrates the indexable slotting tool of Fig. 1 with cross sectional view;
Fig. 3 illustrates the A district of the indexable slotting tool of Fig. 1 with exploded view;
Fig. 4 illustrates the sectional view that works the portion of cutting in the CC district of indexable slotting tool of Fig. 3;
Fig. 5 illustrates the sectional view in BB district of the indexable slotting tool of Fig. 3.
The specific embodiment
Plane and sectional view at the indexable slotting tool that is used for the reamer insertion shown in Fig. 1 and 2.This indexable slotting tool 1 for example has the length L of 16.5mm, the width B of 3.6mm and the thickness H of 2mm, and has had the portion of cutting 6,6 ' on opposed angle.Can form the major cutting edge of being made up of two blade member 5,5 ' in the portion 6 rising to cut, this major cutting edge has transition portion 51.With shown in the opposite direction of reamer direction of feed V on, or, form auxilliary blade 7 in 5 ' the part that continues at major cutting edge 5.
Fig. 2 illustrates indexable slotting tool 1 with sectional view, and it has the bearing-surface 2 that is used for the reamer insertion in the workspace.The flank of tool 3,3 ' and smear metal loading end 4 form major cutting edge 5 respectively, 5 ' and auxilliary blade 7.
The rising of cutting plate 1 cut portion 6 and to be shown in Fig. 3.This is cut portion 6 and has the longitudinal axis with bar and be than the major cutting edge 5 of wide-angle with the longitudinal axis of bar and be the major cutting edge 5 ' of acute angle, and the auxilliary blade 7 that connects on it extends basically vertically abreast.According to the present invention, by blade 5,5 ', on the 7 smear metal loading ends 4 that form or in the smear metal loading end 4, only working the zone of cutting portion 6, promptly only at one or more major cutting edges 5, in 5 ' the zone, provide the surface or the smear metal chamber 8 of the roughness depth (not shown) of increase.The surface roughness of the increase in smear metal loading end 4 or smear metal chamber 8 be just from major cutting edge 5, and 5 ' begins at a distance of an interval S place, and this helps improving the accumulation of its durability and little smear metal.In the past major cutting edge 5 transition 51 that carries out the transition to follow-up major cutting edge 5 ' and carry out the transition to the auxilliary blade 7 of connection can be designed to angled polygonal or circular.
In preferred embodiments, with blade 5, the smear metal chamber 8 of 5 ' one of them certain distance setting apart is wedge shape with angle P and is depressed in the smear metal loading end 4, and respectively has different width 9,9 ', 9 ", 9 .As shown in the cross section BB in another district of working the portion of cutting 6 among the cross section CC in a zone of working the portion of cutting 6 among Fig. 4 and Fig. 5, have various criterion spacing 9,9 ', 9 " the surface in smear metal chamber 8 respectively from major cutting edge 5,5 ' one of them turn back to smear metal loading end 4.
At major cutting edge 5, in 5 ' the transition region 51, littler width 9  of design in the embodiment in littler smear metal chamber 8 thus as previously shown, significantly help the fracture of cutting the smear metal of discharging in the portion district 6 rising.

Claims (6)

1. reamer, comprise bar and on it is axial, be opposed workspace with traction element, this workspace has at least one interchangeable tool component and at least one pressure piece attached to it, wherein this tool component is that length (L) reaches 25mm, width (B) reaches the hard metal cutting plate (1) that 8mm and height or thickness (H) reach about 4mm, be specifically designed to indexable slotting tool, this cutting plate (1) has flat bearing-surface (2) in the longitudinal cross-section, form at least one major cutting edge (5 respectively, 5 ') and the flank of tool (3 of an auxilliary blade (7), 3 '), cutting loading end (4) and be the pressure face that is suitable for pressing from both sides boots (D) of spill basically, see from above, have parallel with the bar axle basically insertable that can be used for cutting and to regulate auxilliary blade (7), this is cut portion (6) and has a major cutting edge (5 in its end, 5 '), and go up and the bar axle is an angle at the direction of feed (V) of reamer, it is characterized in that, at least the smear metal loading end (4) of this cutting plate (1) of 0.02mm spacing (S) is local at least in its end in working the zone cut portion (6) has a roughness depth of the increase of 0.01mm at least apart from blade (5,5 ').
2. reamer, comprise bar and on it is axial, be opposed workspace with traction element, this workspace has at least one interchangeable tool component and at least one pressure piece attached to it, wherein this tool component is that length (L) reaches 25mm, width (B) reaches the hard metal cutting plate (1) that 8mm and height or thickness (H) reach about 4mm, be specifically designed to indexable slotting tool, this cutting plate (1) has flat bearing-surface (2) in the longitudinal cross-section, form at least one major cutting edge (5 respectively, 5 ') and the flank of tool (3 of an auxilliary blade (7), 3 '), cutting loading end (4) and be the pressure face that is suitable for pressing from both sides boots (D) of spill basically, see from above, have parallel with the bar axle basically insertable that can be used for cutting and to regulate auxilliary blade (7), have that direction of feed (V) at reamer is gone up and the bar axle is an angle and works the portion of cutting (6), has a major cutting edge (5 in its end, 5 '), it is characterized in that, this cutting plate (1) has at least one smear metal chamber (8) in its smear metal loading end (4), be arranged in the zone of the portion of cutting (6) at its end and major cutting edge (5) at a distance of the distance of 0.02mm at least.
3. according to the reamer of claim 2, it is characterized in that, this cutting plate has had the portion of cutting (6), have with length the longlyest for the bar longitudinal axis of 4mm is at least one blade (5) at 10 ° of-80 ° of angles, and the transition of this major cutting edge (5) to auxilliary blade (7) district of axially parallel is staged or polygonal or circle.
4. according to the reamer of claim 2 or 3, it is characterized in that, the tangent plane (6) of this cutting plate (1) has at least two and is the major cutting edge (5 of different angles with the bar axle, 5 '), and should be perpendicular to major cutting edge (5, smear metal chamber (8) in the smear metal loading end (4) of cutting plate 5 ') (1) has different width (9 respectively, 9 '; 9 " 9 ), wherein preferably rising in transition (51) district of the blade (5,5 ') of cutting portion (6), this smear metal chamber width (9 ) subcontract particularly narrows down to the value less than 0.15mm.
5. according to the reamer of one of claim 2-4, it is characterized in that, this cutting plate (1) has smear metal chamber (8), this smear metal chamber and major cutting edge (5,5 ') at a distance of 0.04mm setting at least, and perpendicular to this wedge-type shape that is recessed to form in the smear metal load-bearing surface, this has the surperficial rounded of the chamber (8) that increases roughness depth in case of necessity, and the circle that preferably has the radius (R) of about 0.05mm turns back to smear metal loading end (4).
6. according to the reamer of one of claim 2-5, it is characterized in that this smear metal chamber (8) has greater than 0.03mm but less than the depth capacity of 0.16mm, this surface, chamber is by structuring where necessary.
CN2006800227837A 2005-06-24 2006-06-16 Reamer comprising a cutting plate Expired - Fee Related CN101227994B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA1069/2005 2005-06-24
AT0106905A AT502061A1 (en) 2005-06-24 2005-06-24 RUBBER WITH CUTTING PLATE
PCT/AT2006/000246 WO2006135946A1 (en) 2005-06-24 2006-06-16 Reamer comprising a cutting plate

Publications (2)

Publication Number Publication Date
CN101227994A true CN101227994A (en) 2008-07-23
CN101227994B CN101227994B (en) 2010-10-06

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CN2006800227837A Expired - Fee Related CN101227994B (en) 2005-06-24 2006-06-16 Reamer comprising a cutting plate

Country Status (10)

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US (1) US8043032B2 (en)
EP (1) EP1896211B1 (en)
JP (1) JP5102203B2 (en)
KR (1) KR101278927B1 (en)
CN (1) CN101227994B (en)
AT (1) AT502061A1 (en)
BR (1) BRPI0613152A2 (en)
ES (1) ES2428148T3 (en)
PL (1) PL1896211T3 (en)
WO (1) WO2006135946A1 (en)

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Publication number Publication date
CN101227994B (en) 2010-10-06
JP5102203B2 (en) 2012-12-19
KR101278927B1 (en) 2013-06-26
PL1896211T3 (en) 2013-12-31
US20090080985A1 (en) 2009-03-26
EP1896211B1 (en) 2013-07-17
AT502061A1 (en) 2007-01-15
KR20080019688A (en) 2008-03-04
WO2006135946A1 (en) 2006-12-28
BRPI0613152A2 (en) 2010-12-21
ES2428148T3 (en) 2013-11-06
US8043032B2 (en) 2011-10-25
EP1896211A1 (en) 2008-03-12
JP2008543585A (en) 2008-12-04

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